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WWCN12 CWTO 290226

FREEZING RAIN WARNING

FOR NORTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 10:26 P.M. EDT FRIDAY 28 MARCH 2025.

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FREEZING RAIN WARNING FOR:

      SAULT STE. MARIE - ST. JOSEPH ISLAND

      MANITOULIN - BLIND RIVER - KILLARNEY.



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==DISCUSSION==



SIGNIFICANT FREEZING RAIN, ICE PELLETS AND SNOW LIKELY, WITH 

POTENTIAL ICE STORM CONDITIONS FOR MANITOULIN ISLAND. 



WHAT: 

PROLONGED PERIOD OF FREEZING RAIN WITH ICE ACCRETION OF 5 TO 15 MM. 

ICY AND SLIPPERY CONDITIONS. 

UTILITY OUTAGES AND TREE DAMAGE POSSIBLE. 

POSSIBLE SNOW AND ICE PELLET ACCUMULATIONS UP TO 10 CM. 



WHEN: 

ENDING EARLY SATURDAY MORNING. 



ADDITIONAL INFORMATION: 

THE THREAT OF SEVERAL HOURS OF FREEZING RAIN TONIGHT IS POSSIBLE, 

PARTICULARLY FOR MANITOULIN ISLAND. FOR SAULT STE MARIE AND AREAS 

ALONG THE NORTH SHORE OF THE NORTH CHANNEL, SIGNIFICANT 

ACCUMULATIONS OF SNOW AND ICE PELLETS ARE POSSIBLE IN ADDITION TO 

THE FREEZING RAIN THREAT. 



ONE POTENTIAL COMPLICATION IS HOW MUCH OF THE PRECIPITATION FALLS IN 

THE FORM OF ICE PELLETS VERSUS FREEZING RAIN. IF MOST OF THE 

PRECIPITATION FALLS IN THE FORM OF FREEZING RAIN, THIS HAS THE 

POTENTIAL TO BE A SIGNIFICANT ICE STORM FOR THE REGION. 



EASTERLY WINDS GUSTING UP TO 50 KM/H COULD EXACERBATE THE SITUATION 

IF THERE IS ICE BUILD-UP ON TREE LIMBS AND POWER LINES.



SURFACES SUCH AS HIGHWAYS, ROADS, WALKWAYS AND PARKING LOTS WILL 

BECOME ICY, SLIPPERY AND HAZARDOUS. SLOW DOWN DRIVING IN SLIPPERY 

CONDITIONS. WATCH FOR TAILLIGHTS AHEAD AND MAINTAIN A SAFE FOLLOWING 

DISTANCE. ICE BUILD-UP MAY CAUSE TREE BRANCHES TO BREAK. UTILITY 

OUTAGES MAY OCCUR. 



PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY 

ENVIRONMENT CANADA. TO REPORT SEVERE WEATHER, SEND AN EMAIL TO 

ONSTORM(AT)EC.GC.CA OR POST REPORTS ON X USING (HASH)ONSTORM.



HTTP://WEATHER.GC.CA



END/OSPC